<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>网页特效展示中心</title>
<style type="text/css">
.pop { 200px; height:130px; background:#080;}
</style>
</head>
<body>
<script type="text/javascript" src="http://www.9ku.com/v2014/js/jquery.js"></script>
<script type="text/javascript">
$(function(){
$(document).bind("click",function(e){
var target = $(e.target);
if(target.closest(".pop").length == 0){
$(".pop").hide();
}
})
})
</script>
<div class="pop"></div>
点击空白的地方指定div 隐藏消失了
</body>
</html>
from：http://www.wufangbo.com/js-dan-ji-yin-chang/